Aerosol and Humidity Structure Beneath Maritime Stratus Clouds: 1981 Data.
Data analysis rept. May 81-May 82,
NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA
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Navy electro-optical systems will operate beneath decks of maritime stratus clouds. Radiation supporting the EO systems will be attenuated by aerosols and water vapor. Methods and models are needed to specify the concentrations and vertical gradients as a function of atmospheric parameters easily and routinely measured. A measurement program designed by the author was described in a previous publication. This report presents data acquired southwest of San Diego. Distinct differences in the aerosol spectra at all elevations relative to cloud base height suggest that the May and August data respectively represent marine and continental aerosols. Significant data characteristics are outlined. Keywords Marine atmospheres, Stratus clouds, Cloud cover.